Abstract
A γ ray detector has been built for the DRAGON facility at TRIUMF to detect the γ ray emitted in astrophysically important proton and α radiative capture reactions. The γ detector was designed to balance cost with maximum solid angle coverage and efficiency. To study the properties of the current design, GEANT simulations are being carried out and compared with prototype measurements using calibration sources and radioactive beams supplied by ISAC. Simulations will be compared with data allowing a realistic simulation to be produced. This modified simulation will then be used to provide efficiency predictions of the γ array when an actual experiment’s parameters are inputted. Using the simulated efficiency of the array, cross sections for radiative capture can be calculated from the measured γ ray yields, for the individual reactions. The following will outline some initial results of background suppression of beam related experiments. Also shown, are some preliminary comparison of point source data and GEANT simulations.
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Schedule a callMore From: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
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